Head part of a street light



FIG. 1 is a perspective view of a head part of a street light;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a plan view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is another perspective view thereof;

FIG. 9 is an exploded perspective view therefore; and,

FIG. 10 is an exemplary view thereof.

The broken lines shown on the drawings depict environment only and form no part of the claimed design. 

The ornamental design for a head part of a street light, as shown and described. 